pilose, with long pale hairs; leaves tufted, filiform, curved or squarrose, mucronate, the floral densely plumose; flowers capitate; calyx hirsute, its segments from a broader base, subulate-attenuate, plumose, much longer than the tube; vexillum villous, carina glabrous; ovary villous; legume obliquely ovato-rhomboid, falcate-acuminate. A tall, but not densely branched shrub, 3–5 feet high, more or less densely covered with long, stiffish, spreading hairs; the upper and floral leaves especially. Leaves 6–8 lines long or more, very slender, terete, spreading and flexuous. Heads dense, globose, several flowered; fl. 4–6 lines long, yellow, sometimes pale or whitish, or rufescent. Zeyher's 426 is a much depauperated form.
